Home / 631,068,000.20-946,602,000.30-427,224,825.80

Finding the Fourth Proportional to 631,068,000.20, 946,602,000.30 and 427,224,825.80

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Solution

The fourth proportional to 631,068,000.20, 946,602,000.30 and 427,224,825.80 is: 640,837,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,068,000.20 : 946,602,000.30 = 427,224,825.80 : x
  2. Step 2: Convert to fraction form
    631,068,000.20/946,602,000.30 = 427,224,825.80/x
  3. Step 3: Cross multiply
    631,068,000.20x = 946,602,000.30 × 427,224,825.80
  4. Step 4: Simplify right side
    631,068,000.20x = 404,411,874,680,099,008
  5. Step 5: Solve for x
    x = 404,411,874,680,099,008/631,068,000.20
  6. Step 6: Final answer
    x = 640,837,238.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.